题目内容：

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。

The best example of universally understood body language may be the smile.A smile can open doors and tear down walls among     .

I have organized and reorganized an    with the dentist for months.I also     it twice and called the day before to    All the paperwork would be ready for the x-rays.

Then I arrived.It wasn't      At all.The lady there even had no -       what I was talking about.I    felt my blood boil.I was getting so     .I didn’t yell at her but I may as well have because the     I was talking to her was not nice.I spoke down to her like she was a child and incapable.It was not a good moment.The whole time she smiled and was     to me.

Only when everything was finally     was I nice.I sat down in the waiting area and     it all.How can I make it better? How can I make up for my            behavior a moment ago? I couldn't.I could             her a chocolate bar I had on me,but this needed more than that.It needed an honest        And that is exactly what I gave.

I apologized for the way I had spoken to her and told her it was wrong of me.She    .Again with a     .God help me be that woman who smiles and forgives so     .I don't get it right every time.I can be rude and when I am,I almost     myself for it.I am not that person,not anymore.Yet I continue to grow and continue to     .It's true that smile vanished my anger and opened a door to understanding.

1.A.friends     B.strangers   C.patients     D.relatives

2.A.interview    B.operation   C.experiment   D.appointment

3.A.confirmed     B.arranged     C.discussed   D.admitted

4.A.conclude     B.approve     C.ensure     D.apply

5.A.crowded     B.ready     C.open     D.busy

6.A.plan      B.thought     C.idea     D.mind

7.A.mildly     B.roughly     C.privately     D.immediately

8.A.mad      B.sad      C.humourous   D.curious

9.A.habit      B.way     C.accent     D.tune

10.A.rude      B.attached     C.friendly    D.devoted

11.A.figured     B.added     C.made     D.sorted

12.A.reflected on   B.worked at   C.called at     D.went through

13.A.unnecessary   B.impolite     C.impossible   D.unfair

14.A.post      B.assist     C.press     D.gift

15.A.comment     B.promise     C.apology     D.suggestion

16.A.refused     B.agreed     C.ignored     D.accepted

17.A.smile      B.hope     C.doubt  D.belief

18.A.slowly     B.easily     C.frequently  D.tightly

19.A.teach      B.forgive     C.hate     D.see

20.A.expand     B.react     C.overcome   D.learn